Messages in this thread Patch in this message | | | From | Eric Anholt <> | Subject | [PATCH 1/2] clk: bcm2835: Mark the VPU clock as critical | Date | Tue, 26 Apr 2016 12:39:44 -0700 |
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The VPU clock is also the clock for our AXI bus, so we really can't disable it. This might have happened during boot if, for example, uart1 (aux_uart clock) probed and was then disabled before the other consumers of the VPU clock had probed.
Signed-off-by: Eric Anholt <eric@anholt.net> --- drivers/clk/bcm/clk-bcm2835.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c index 5a7e3eca5d12..14f3066194ac 100644 --- a/drivers/clk/bcm/clk-bcm2835.c +++ b/drivers/clk/bcm/clk-bcm2835.c @@ -1267,6 +1267,7 @@ static struct clk *bcm2835_register_clock(struct bcm2835_cprman *cprman, if (data->is_vpu_clock) { init.ops = &bcm2835_vpu_clock_clk_ops; + init.flags |= CLK_IS_CRITICAL; } else { init.ops = &bcm2835_clock_clk_ops; init.flags |= CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE; -- 2.8.0.rc3
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